2009254100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{2879}}^1$

素因数の和:3897

約数の個数: 72

約数和(自身を含む): 4989680640

約数和(自身を除く): 2980426540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 997, 1994, 2879, 3988, 4985, 5758, 6979, 9970, 11516, 13958, 14395, 19940, 20153, 24925, 27916, 28790, 34895, 40306, 49850, 57580, 69790, 71975, 80612, 99700, 100765, 139580, 143950, 174475, 201530, 287900, 348950, 403060, 503825, 697900, 1007650, 2015300, 2870363, 5740726, 11481452, 14351815, 20092541, 28703630, 40185082, 57407260, 71759075, 80370164, 100462705, 143518150, 200925410, 287036300, 401850820, 502313525, 1004627050, 2009254100]

約数ペア:

[(1, 2009254100), (2, 1004627050), (4, 502313525), (5, 401850820), (7, 287036300), (10, 200925410), (14, 143518150), (20, 100462705), (25, 80370164), (28, 71759075), (35, 57407260), (50, 40185082), (70, 28703630), (100, 20092541), (140, 14351815), (175, 11481452), (350, 5740726), (700, 2870363), (997, 2015300), (1994, 1007650), (2879, 697900), (3988, 503825), (4985, 403060), (5758, 348950), (6979, 287900), (9970, 201530), (11516, 174475), (13958, 143950), (14395, 139580), (19940, 100765), (20153, 99700), (24925, 80612), (27916, 71975), (28790, 69790), (34895, 57580), (40306, 49850)]